Registered patent agent
Regan C O'Brien
Firm
DeMarco IP LLC
Address
2433 Fort Scott Drive
Arlington, VA, 22202
US
Phone
Registered as
Registered patent agent
Other patent attorneys in Arlington, Virginia
- Michael-Vincent R AbejuelaBean, Kinney & Korman, P.C.
- William G AckermanUSPTO Reg. 45320
- Olubukunola T AinaVerizon Legal Department
- Daniel F. AlbertUSPTO Reg. 57701
- Dennis Lichti AlbrechtUSPTO Reg. 47364
- Donald A AllisonUSPTO Reg. 68572
- Jonathan BackenstoseUSPTO Reg. 47399
- Michael J BadagliaccaOffice of Naval Research
Frequently asked
Frequently asked about Regan C O'Brien
Is Regan C O'Brien a registered patent attorney?
Regan C O'Brien is a registered patent agent (USPTO Registration Number 73972). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Regan C O'Brien located?
Regan C O'Brien's office is in Arlington, Virginia (22202). Affiliated with DeMarco IP LLC.
What firm does Regan C O'Brien work at?
Regan C O'Brien is listed as affiliated with DeMarco IP LLC on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Regan C O'Brien?
Regan C O'Brien's office phone (per the USPTO public roster) is 203-731-7328. Verify availability and intake details directly with the firm before sending privileged materials.
Should I prepare anything before contacting a patent attorney?
Yes — most patent attorneys quote based on a brief. Persoona's intellectual property module generates a prior-art analysis, defensibility scorecard, and a draft USPTO filing package so you arrive with a brief, not a blank slate. Free to run.
Profile sourced from the USPTO OEDCI Practitioner Roster. Persoona did not provide, edit, or curate this data — every field is pulled directly from the public roster.